bread and butter

See also: bread-and-butter

English

Noun

bread and butter (uncountable)

Used other than with a figurative or idiomatic meaning: see bread,‎ butter.
(idiomatic) That which is central or fundamental, as to one's business, survival, or income; a staple or cornerstone.
They will do some machining if you ask them, but sheet metal has always been their bread and butter.

Derived terms

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